Subcutis
The deep volumising layer that shapes the contours of the face.
Variable, organised into discrete fat compartments
The subcutis, or subcutaneous layer, sits beneath the dermis and is largely composed of fat organised into distinct compartments. These compartments are not a uniform blanket. They sit in defined positions across the cheeks, temples, around the mouth and along the jaw, and together they create much of the youthful contour of the face.
Specialised fat cells, adipocytes, grouped into superficial and deep compartments separated by connective tissue septa.
A protective and insulating layer that also cushions the structures beneath and acts as an energy reserve.
Shapes the contours of the face, including cheek projection, temple fullness and the soft transition along the jawline.
Cushions the deeper structures, including bone, ligaments and muscle.
Influences how light falls across the face, which contributes to a rested or fatigued appearance.
- Fat compartments may lose volume, shift downward and become less evenly distributed.
- These changes are associated with flatter cheeks, hollow temples, more visible tear troughs and a less defined jawline.
- Volume loss in one area is often accompanied by relative fullness in another, contributing to the overall reshaping of the face with age.
- Volume replacement approaches placed within or beneath this layer, considered only after consultation.
- Biostimulator categories that may support gradual structural change in this layer.
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